HA Sustainable Infrastructure Capital, Inc. (NYSE: HASI) priced an offering of $1 billion in aggregate principal amount of 5.950% green senior unsecured notes due 2033, according to a company statement dated June 15, 2026.

The company estimates net proceeds of approximately $987 million after deducting the initial purchasers' discount and estimated offering expenses. Settlement is expected on June 24, 2026, subject to customary closing conditions.

HASI said it intends to use the net proceeds to temporarily repay borrowings under its unsecured revolving credit facility or its commercial paper programs. The company will then deploy cash equal to the net proceeds to acquire, invest in, or refinance eligible green projects, which may include projects with disbursements made within the twelve months preceding the issue date or within two years following it.

The notes and related guarantees are being offered to qualified institutional buyers under Rule 144A and to non-U.S. persons under Regulation S of the Securities Act of 1933. The notes have not been registered under the Securities Act and may not be offered or sold in the United States without an applicable exemption or effective registration statement.

At issuance, the notes will be guaranteed by several subsidiaries, including Hannon Armstrong Sustainable Infrastructure, L.P. and Hannon Armstrong Capital, LLC, among others.